X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=gp2x%2Fplat.c;h=6fce7bc2f6b23d15879c88345e1315a9cb0076f5;hb=e9b2926437ccf6b630cf79e00ed98f7934201c20;hp=fe7b6fa04448756c5bf6f72964fc5aeef07570a2;hpb=22b2271a09c970cf2d4c9ba28460f7a5aa2a6127;p=libpicofe.git

diff --git a/gp2x/plat.c b/gp2x/plat.c
index fe7b6fa..6fce7bc 100644
--- a/gp2x/plat.c
+++ b/gp2x/plat.c
@@ -16,14 +16,15 @@
 
 /* GP2X local */
 int default_cpu_clock;
+int gp2x_dev_id;
+int gp2x_current_bpp;
 void *gp2x_screens[4];
 
 void gp2x_video_changemode(int bpp)
 {
 	gp2x_video_changemode_ll(bpp);
 
-  	gp2x_memset_all_buffers(0, 0, 320*240*2);
-	gp2x_video_flip();
+	gp2x_current_bpp = bpp < 0 ? -bpp : bpp;
 }
 
 static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
@@ -65,38 +66,18 @@ void gp2x_make_fb_bufferable(int yes)
 }
 
 /* common */
-char cpu_clk_name[16] = "GP2X CPU clocks";
-
 void plat_video_menu_enter(int is_rom_loaded)
 {
-	if (is_rom_loaded)
-	{
-		// darken the active framebuffer
-		memset(g_screen_ptr, 0, 320*8*2);
-		menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1);
-		memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2);
-	}
-	else
-	{
-		char buff[256];
-
-		// should really only happen once, on startup..
-		emu_make_path(buff, "skin/background.png", sizeof(buff));
-		if (readpng(g_screen_ptr, buff, READPNG_BG) < 0)
-			memset(g_screen_ptr, 0, 320*240*2);
+	if (gp2x_current_bpp != 16 || gp2x_dev_id == GP2X_DEV_WIZ) {
+		/* try to switch nicely avoiding glitches */
+		gp2x_video_wait_vsync();
+		memset(gp2x_screens[0], 0, 320*240*2);
+		memset(gp2x_screens[1], 0, 320*240*2);
+		gp2x_video_flip2(); // might flip to fb2/3
+		gp2x_video_flip2(); // ..so we do it again
+		// gp2x_video_wait_vsync();
 	}
 
-	// copy to buffer2, switch to black
-	gp2x_memcpy_buffers((1<<2), g_screen_ptr, 0, 320*240*2);
-
-	/* try to switch nicely avoiding tearing on Wiz */
-	gp2x_video_wait_vsync();
-	memset(gp2x_screens[0], 0, 320*240*2);
-	memset(gp2x_screens[1], 0, 320*240*2);
-	gp2x_video_flip2();
-	gp2x_video_wait_vsync();
-	gp2x_video_wait_vsync();
-
 	// switch to 16bpp
 	gp2x_video_changemode_ll(16);
 	gp2x_video_RGB_setscaling(0, 320, 240);
@@ -105,6 +86,7 @@ void plat_video_menu_enter(int is_rom_loaded)
 void plat_video_menu_begin(void)
 {
 	memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2);
+	g_menuscreen_ptr = g_screen_ptr;
 }
 
 void plat_video_menu_end(void)
@@ -114,41 +96,37 @@ void plat_video_menu_end(void)
 	gp2x_video_flip2();
 }
 
-void plat_validate_config(void)
-{
-	gp2x_soc_t soc;
-
-	soc = soc_detect();
-	if (soc != SOCID_MMSP2)
-		PicoOpt &= ~POPT_EXT_FM;
-	if (soc != SOCID_POLLUX)
-		currentConfig.EmuOpt &= ~EOPT_WIZ_TEAR_FIX;
-
-	if (currentConfig.gamma < 10 || currentConfig.gamma > 300)
-		currentConfig.gamma = 100;
-
-	if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 1024)
-		currentConfig.CPUclock = default_cpu_clock;
-}
-
 void plat_early_init(void)
 {
 	gp2x_soc_t soc;
+	FILE *f;
 
 	soc = soc_detect();
 	switch (soc)
 	{
 	case SOCID_MMSP2:
 		default_cpu_clock = 200;
+		gp2x_dev_id = GP2X_DEV_GP2X;
 		break;
 	case SOCID_POLLUX:
-		strcpy(cpu_clk_name, "Wiz CPU clock");
 		default_cpu_clock = 533;
+		f = fopen("/dev/accel", "rb");
+		if (f) {
+			printf("detected Caanoo\n");
+			gp2x_dev_id = GP2X_DEV_CAANOO;
+			fclose(f);
+		}
+		else {
+			printf("detected Wiz\n");
+			gp2x_dev_id = GP2X_DEV_WIZ;
+		}
 		break;
 	default:
-		fprintf(stderr, "could not recognize SoC, bailing out.\n");
-		exit(1);
+		printf("could not recognize SoC, running in dummy mode.\n");
+		break;
 	}
+
+	gp2x_menu_init();
 }
 
 void plat_init(void)
@@ -160,13 +138,12 @@ void plat_init(void)
 	{
 	case SOCID_MMSP2:
 		mmsp2_init();
-		menu_plat_setup(0);
 		break;
 	case SOCID_POLLUX:
 		pollux_init();
-		menu_plat_setup(1);
 		break;
 	default:
+		dummy_init();
 		break;
 	}
 
@@ -174,6 +151,9 @@ void plat_init(void)
 
 	gp2x_memset_all_buffers(0, 0, 320*240*2);
 
+	// use buffer2 for menubg to save mem (using only buffers 0, 1 in menu)
+	g_menubg_ptr = gp2x_screens[2];
+
 	// snd
 	sndout_oss_init();
 }
@@ -193,6 +173,9 @@ void plat_finish(void)
 	case SOCID_POLLUX:
 		pollux_finish();
 		break;
+	default:
+		dummy_finish();
+		break;
 	}
 
 	sndout_oss_exit();